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Advanced BORING LOG
<br /> GeoEnviron mental, Inc. BOREHOLE NO.MW3
<br /> 837 Shaw Road, Stockton, CA 95215
<br /> (209)467-1006 FAX: (209)467-1118 TOTAL DEPTH: 70 feet
<br /> Project: ARROYO SMOG Drilling Co.: Cascade Drilling
<br /> Site Location: 3012 EAST WATERLOO ROAD Rig/Auger Type: CME 75/8-inch hollow stem augers
<br /> STOCKTON,CALIFORNIA Logged By: Arthur Deicke
<br /> Reviewed By: Calvin Lee
<br /> Project No.: AGE-NC-04-1168
<br /> Date(s) Drilled: 21 JULY 2005
<br /> Notes: s Water level during drilling Page 1 of 2
<br /> = Water level in completed well
<br /> Depth Sample Blows PID Soil USCS Class and Well Well
<br /> ID (per 6") (ppm) Symbol Soil Description Completion Description
<br /> 0-
<br /> -5 —
<br /> -5 ML:Brown with gold specks,dry,SANDY SILT;well-
<br /> graded
<br /> 5 23/50 for X49 Faded(10-25%),low plasticity,low toughness,low
<br /> 5 - consistency,no Hydrocarbon(HC)odor.
<br /> -10 ML:Orange-Brown with gold specks,dry,SANDY J
<br /> MW3-10 35/36/34 0 SILT;well-graded(10-25%),low plasticity,low
<br /> toughness,low consistency,no HC odor.
<br /> -15 CL:Orange-Brown,dry,SILTY CLAY;medium /
<br /> MW3.15 36/33/38 3 plasticity,low toughness,low consistency,no HC odor.
<br /> -20 CL:Orange-Brown,dry,SILTY CLAY;medium
<br /> MW3 20 29/34/31 0 plasticity,low toughness,low consistency,no HC odor.
<br /> -25 CL:Orange-Brown,dry,SILTY CLAY;medium /
<br /> plasticity,low toughness,low consistency,no HC odor. Cement grout seal from
<br /> MW3-25 34/34/30 0 .5'to 45'bsg.
<br /> y
<br /> -30 CL:Orange-Brown,dry,SILTY CLAY;medium
<br /> MW3-30 NA 0 plasticity,low toughness,low consistency,no HC odor.
<br /> -35 CL:Orange-Brown,dry,SILTY CLAY;medium
<br /> MW3-35 36/34/38 0 plasticity,low toughness,low consistency,no HC odor.
<br /> -40 ML:Orange-Brown to light Brown,dry,SANDY SILT;
<br /> MW3-40 24!26/21 0 (well-graded,10-25%),slight plasticity,slight
<br /> toughness,low consistency,no HC odor.
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